-96.85% is the change from 921 to 29
Calculation steps:
[( 29 - 921 ) ÷ 921] x 100 = -96.85%
Formula
Percentage change = [(29 - 921) / 921] x 100
Subtract the new number by the original number
29 - 921 = -892
-892 ÷ 921 = -0.9685124864277959
-0.9685124864277959 x 100 = -96.85%